Maybe it is due to my own building which is very obsolete. I will try to
reinstall the latest version of gnuradio and grextras.


On Tue, Feb 19, 2013 at 5:35 PM, Alex Zhang <[email protected]> wrote:

> It does not work after the modification and rebuilding of the grextras.
>
> My modification:
>
> diff --git a/swig/CMakeLists.txt b/swig/CMakeLists.txt
> index 129d789..42732a3 100644
> --- a/swig/CMakeLists.txt
> +++ b/swig/CMakeLists.txt
> @@ -58,7 +58,7 @@ foreach(incdir ${GRUEL_INCLUDE_DIRS})
>      list(APPEND GR_SWIG_INCLUDE_DIRS ${incdir}/gruel/swig)
>  endforeach(incdir)
>
> -set(GR_SWIG_LIBRARIES gnuradio-extras)
> +list(APPEND GR_SWIG_LIBRARIES gnuradio-extras ${GNURADIO_CORE_LIBRARIES}
> ${G
>  set(GR_SWIG_DOC_FILE ${CMAKE_CURRENT_BINARY_DIR}/extras_swig_doc.i)
>  set(GR_SWIG_DOC_DIRS
> ${CMAKE_CURRENT_SOURCE_DIR}/../include/gnuradio/extras)
>
>
> On Tue, Feb 19, 2013 at 5:06 PM, Josh Blum <[email protected]> wrote:
>
>>
>>
>> On 02/19/2013 04:59 PM, Alex Zhang wrote:
>> > Hi,
>> >
>> > I believe some other guys met this problem before, but I did not find
>> the
>> > final solution expressed clearly.
>> >
>> > After I installed the gnuradio, grextras, then in my python code which
>> trys
>> > to import the extras_swig  like
>> >
>> >     import gnuradio.extras as gr_extras
>> >   File
>> > "/usr/local/lib/python2.7/dist-packages/gnuradio/extras/__init__.py",
>> line
>> > 20, in <module>
>> >     from extras_swig import *
>> >   File
>> > "/usr/local/lib/python2.7/dist-packages/gnuradio/extras/extras_swig.py",
>> > line 26, in <module>
>> >     _extras_swig = swig_import_helper()
>> >   File
>> > "/usr/local/lib/python2.7/dist-packages/gnuradio/extras/extras_swig.py",
>> > line 22, in swig_import_helper
>> >     _mod = imp.load_module('_extras_swig', fp, pathname, description)
>> > ImportError: /usr/local/lib/libgnuradio-extras.so: undefined symbol:
>> > _ZN15gr_msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES4_
>> >
>> >
>> > Can any one shed a light on it?
>>
>> Maybe its missing a library to link w/
>>
>> Can you try this and let me know?
>>
>> http://pastebin.com/t5GL5Z6G
>>
>> -josh
>> >
>> >
>> >
>> > _______________________________________________
>> > Discuss-gnuradio mailing list
>> > [email protected]
>> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>> >
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> [email protected]
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>
>
>
> --
>
> Alex,
> *Dreams can come true – just believe.*
>



-- 

Alex,
*Dreams can come true – just believe.*
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